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physical object > naked eye object > naked eye star > Capella

Capella (HR 1708, Alpha Aurigae)
subject			fact

Capella	has declination +45 59 53
	has right ascension 05 16 41.3
	has spectral type G5IIIe+G0III
	has V magnitude 0.08
	has distance 13 pc
	is a part of Auriga
	has synonym HR 1708
	has synonym Alpha Aurigae
	has B-V magnitude 0.80
	has orbital period 104.023 days
	has definition The sixth brightest star in the night sky, consists of two yellow giants. A spectroscopic triple (F8-G0 III, G5 III, M5 V) (1974 parallax 0'.079). It has a high lithium content and a nearly circular orbit. It may be an X-ray source.
	is an instance of G star
	is an instance of giant
	is an instance of naked eye star
giant	has luminosity class III
naked eye star	has been observed for many centuries
	is usually part of asterism
	is a part of celestial sphere
	is a part of Milky Way
	has apparent magnitude brighter than 5
G star	has color yellowish
	has surface temperature 5000 to 6000 K
star	has star surface temperature
	has B magnitude
	has U magnitude
	has position on celestial sphere from the point of view of Earth
	has parallax from the point of view of Earth's orbit
	has proper motion
	has radiation at surface which is diffused out from the hotter core
	has energy source gravitational contraction and or fusion
	has energy production which takes place primarily within the core
	has surface density which depends on luminosity class
	has absolute magnitude
	has age
	has catalog star catalog
	has material hydrogen, helium
	has velocity determined from proper motion and radial velocity
	has mass greater than 0.08 the sun's mass
celestial body	has spectra
physical object	has location or center of gravity
	has angular momentum
	has momentum
	has temperature
	has volume
	has extent

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